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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The viscosity of water is __________ than that of mercury.

None of these
Higher
Lower
Same as

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Hydraulics and Fluid Mechanics in ME
An impulse turbine is used for

High discharge
Medium head of water
Low head of water
High head of water

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Hydraulics and Fluid Mechanics in ME
A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall acts at a distance __________ from the liquid surface.

H/3
2H/3
3H/4
H/2

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Hydraulics and Fluid Mechanics in ME
The coefficient of discharge for an external mouthpiece is

0.707
0.375
0.855
0.5

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Hydraulics and Fluid Mechanics in ME
Motion of a liquid in a volute casing of a centrifugal pump is an example of

Rotational flow
Forced spiral vortex flow
Radial
Spiral vortex flow

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Hydraulics and Fluid Mechanics in ME
Multistage centrifugal pumps are used to

Give high discharge
Pump viscous fluids
All of these
Produce high heads

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